Re: [ns] problem with ns

[Ya Xu <yaxu@ISI.EDU>]

You need to have your way to create your node with your own routing agent
which requires you to use tcl to do that. Please see ns doc to find how
aodv etc. is implemented in ns.



On Mon, 16 Apr 2001, Parveen Kumar Patel wrote:

> Hi,
> 
> I am trying to add a new adhoc routing protocol agent to ns. everything
> works fine except when i try to use one particular class of mine, it
> gives me following error from the tcl side :-
> 
> --- Classfier::no-slot{} default handler (tcl/lib/ns-lib.tcl) ---
>         _o17: no target for slot 1
>         _o17 type: Classifier/Port
> content dump:
> classifier _o17
>         0 offset
>         0 shift
>         2147483647 mask
>         2 slots
>                 slot 0: _o71
>                 slot 255: _o6
> ---------- Finished standard no-slot{} default handler ----------
> 
> I am adding this new class only on the C++  side and don't want any
> bindings from the tcl side. I am not doing anything with the port
> classifier and don't have any agents that listen on/sending to port
> no. 1. if i do not instantiate this class i am able to get it to work. 
> 
> I don't understand what's the link here? I mean why should i get this
> error when i am adding something totally unrelated on the C++ side. any
> pointers to what might be happening. 
> 
> thanks,
> -parveen.
>